世界的眼泪是恒定的。每当一个人开始哭泣，另一个地方就有人停止哭泣。笑声也是如此。
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
心灵不是印象的被动接受者，而是感知过程中的积极参与者。
能源的未来在于多样化，没有任何单一来源能满足我们所有的需求。
Entrepreneurship is about solving problems continuously, there are no shortcuts.
When buying a garden hose， an extension cord， or a ladder， get one substantially longer than you think you need. It’ll be the right size.
只有尊重自然，才能获得长久的回报。